KR100993094B1 - 발광소자 및 발광소자 패키지 - Google Patents
발광소자 및 발광소자 패키지 Download PDFInfo
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- KR100993094B1 KR100993094B1 KR20100009210A KR20100009210A KR100993094B1 KR 100993094 B1 KR100993094 B1 KR 100993094B1 KR 20100009210 A KR20100009210 A KR 20100009210A KR 20100009210 A KR20100009210 A KR 20100009210A KR 100993094 B1 KR100993094 B1 KR 100993094B1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/855—Optical field-shaping means, e.g. lenses
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/81—Bodies
- H10H20/819—Bodies characterised by their shape, e.g. curved or truncated substrates
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- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/83—Electrodes
- H10H20/832—Electrodes characterised by their material
- H10H20/833—Transparent materials
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
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- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/12—Passive devices, e.g. 2 terminal devices
- H01L2924/1203—Rectifying Diode
- H01L2924/12032—Schottky diode
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- H—ELECTRICITY
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- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
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- H10H20/80—Constructional details
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- H10H20/831—Electrodes characterised by their shape
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- H10H20/80—Constructional details
- H10H20/84—Coatings, e.g. passivation layers or antireflective coatings
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Abstract
실시예에 따른 발광소자는 제1 도전형 반도체층, 제2 도전형 반도체층 및 상기 제1 도전형 반도체층과 상기 제2 도전형 반도체층 사이에 활성층을 포함하는 발광구조물; 및 상기 발광구조물 상에 주기(a)가 λ/n 초과인 광추출 패턴(단, λ는 상기 활성층에서 발광된 빛의 파장, n은 상기 발광구조물의 굴절률);을 포함할 수 있다.
Description
도 2는 실시예에 따른 발광소자의 식각깊이와 주기에 따른 추출효율 그래프.
도 3 내지 도 5는 제1 실시예에 따른 발광소자의 제조방법의 공정단면도.
도 6은 제2 실시예에 따른 발광소자의 단면도.
도 7은 실시예에 따른 발광소자 패키지의 단면도.
Claims (14)
- 제1 도전형 반도체층, 제2 도전형 반도체층 및 상기 제1 도전형 반도체층과 상기 제2 도전형 반도체층 사이에 활성층을 포함하는 발광구조물; 및
상기 발광구조물 상에 주기(a)가 λ/n 초과인 광추출 패턴(단, λ는 상기 활성층에서 발광된 빛의 파장, n은 상기 발광구조물의 굴절률);을 포함하며,
상기 주기(a)는 5×(λ/n)〈a〈15×(λ/n)의 범위이고,
상기 광추출 패턴의 식각 깊이(h)는 (λ/n) 이상인 발광소자. - 제1 항에 있어서,
상기 발광구조물 상에 언도프트 반도체층을 포함하고,
상기 언도프트 반도체층에 상기 광추출 패턴이 형성된 발광소자. - 삭제
- 제1 항에 있어서,
상기 광추출 패턴의 식각 깊이는
450nm~900nm인 발광소자. - 제1 항 또는 제4 항에 있어서,
상기 광추출 패턴의 주기(a) 는 1,000nm 내지 2,800nm인 발광소자. - 제1 도전형 반도체층, 제2 도전형 반도체층 및 상기 제1 도전형 반도체층과 상기 제2 도전형 반도체층 사이에 활성층을 포함하는 발광구조물;
상기 발광구조물을 지지하는 제2 전극층; 및
상기 제2 전극층에 주기(a)가 λ/n 초과인 광추출 패턴(단, λ는 상기 활성층에서 발광된 빛의 파장, n은 상기 발광구조물의 굴절률);을 포함하며,
상기 광추출 패턴은 상기 제2 전극층 내부에 형성되면서 상기 발광구조물과 접하며, 상기 제2 전극층 외부로 노출되지 않는 발광소자. - 제6 항에 있어서,
상기 주기(a)는 5×(λ/n)〈a〈15×(λ/n)의 범위인 발광소자. - 제6 항에 있어서,
상기 광추출 패턴의 식각 깊이(h)는 (λ/n) 이상인 발광소자. - 제6 항에 있어서,
상기 광추출 패턴의 주기(a) 는 1,000nm 내지 2,800nm인 발광소자. - 제6 항에 있어서,
상기 발광구조물 상에 파장필터를 포함하는 발광소자. - 제10 항에 있어서,
상기 파장필터는 제1 굴절률을 가지는 제1 유전체층과 상기 제1 굴절률과 다른 제2 굴절률을 가지는 제2 유전체층을 포함하는 발광소자. - 제11 항에 있어서,
상기 제1 유전체층과 상기 제2 유전체층의 두께는 λ/(4n×cosθ)(단, λ는 빛의 파장, n은 유전체층의 굴절률, θ는 빛의 기판에 대한 입사각)인 발광소자. - 제11 항에 있어서,
상기 제1 유전체층 상에 상기 제2 유전체층이 적층되며, 상기 제1 굴절률은 상기 제2 굴절률보다 낮은 발광소자. - 제1 항, 제2항, 제4항 및 제6항 내지 제13 항 중 어느 하나의 항에 기재된 발광소자; 및
상기 발광소자가 배치되는 패키지 몸체를 포함하는 발광소자 패키지.
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KR20100009210A KR100993094B1 (ko) | 2010-02-01 | 2010-02-01 | 발광소자 및 발광소자 패키지 |
EP11151631.6A EP2355183B1 (en) | 2010-02-01 | 2011-01-21 | Light emitting diode |
US13/017,872 US20110186814A1 (en) | 2010-02-01 | 2011-01-31 | Light Emitting Device, Light Emitting Device Package |
CN201110036228.2A CN102142500B (zh) | 2010-02-01 | 2011-02-01 | 发光器件、发光器件封装以及照明系统 |
US13/935,298 US8890182B2 (en) | 2010-02-01 | 2013-07-03 | Light emitting device, light emitting device package |
US14/517,660 US9391248B2 (en) | 2010-02-01 | 2014-10-17 | Light emitting device, light emitting device package |
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KR100993094B1 (ko) * | 2010-02-01 | 2010-11-08 | 엘지이노텍 주식회사 | 발광소자 및 발광소자 패키지 |
JP2012231000A (ja) * | 2011-04-26 | 2012-11-22 | Toshiba Corp | 半導体発光装置 |
KR101973608B1 (ko) * | 2011-06-30 | 2019-04-29 | 엘지이노텍 주식회사 | 발광소자 |
US9847372B2 (en) * | 2011-12-01 | 2017-12-19 | Micron Technology, Inc. | Solid state transducer devices with separately controlled regions, and associated systems and methods |
KR20150025231A (ko) * | 2013-08-28 | 2015-03-10 | 서울반도체 주식회사 | 광원 모듈 및 그 제조 방법, 및 백라이트 유닛 |
JP2016034013A (ja) * | 2014-02-28 | 2016-03-10 | パナソニックIpマネジメント株式会社 | 発光素子および発光装置 |
TWI613838B (zh) * | 2014-03-06 | 2018-02-01 | 晶元光電股份有限公司 | 發光元件 |
CN104393127B (zh) * | 2014-11-18 | 2017-05-03 | 中国科学院半导体研究所 | 一种倒装结构发光二极管及其制作方法 |
KR102239627B1 (ko) * | 2015-03-26 | 2021-04-12 | 엘지이노텍 주식회사 | 발광 소자 패키지 |
JPWO2023037629A1 (ko) * | 2021-09-13 | 2023-03-16 |
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2010
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2011
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- 2011-02-01 CN CN201110036228.2A patent/CN102142500B/zh active Active
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2013
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2014
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CN102142500A (zh) | 2011-08-03 |
US20110186814A1 (en) | 2011-08-04 |
EP2355183B1 (en) | 2019-03-06 |
EP2355183A2 (en) | 2011-08-10 |
CN102142500B (zh) | 2014-11-26 |
US9391248B2 (en) | 2016-07-12 |
EP2355183A3 (en) | 2014-12-10 |
US20150034991A1 (en) | 2015-02-05 |
US8890182B2 (en) | 2014-11-18 |
US20130292730A1 (en) | 2013-11-07 |
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